baber/WOPTO huggingface dataset:
Patent GB-1080063-A (GB)
Title: An attachment for use with pressure relief valves
IPC: F16K17/04
Filed: 1965-07-06
Abstract: 1,080,063. Valves. ATOMIC ENERGY OF CANADA Ltd. July 6, 1965 [July 10, 1964], No. 28633/65. Heading F2V. In a pressure relief valve loaded to the closed position by a spring (21) (Fig. 1, not shown), an extension 28 of the valve stem 16 extends into a housing 14 and is connected, by a spring 29 and adjustable retaining nuts 34, to a member 26 which is slidable within the housing to move with the stem 16 whereby " hunting " of the valve is prevented by the engagement, in the valve closed position, of chamfered upper edge 48, of a longitudinally extending rib 24 of member 26, by a roller 46 on a latch member 36 which is pivoted at 43 in a collar 23 fixed to the housing 14 and member 36 which is locked in position by the action, on a latch roller 62, of a cam surface 61 which is carried by a sleeve 60 fixed to a plate 40 which is axially displaceable, on projecting portions 53 of the housing 14, against a spring 57 by pressure fluid from the system acting on piston 45 attached to the plate 40. The tension of spring 57 is adjusted by a collar 59 so that the cam 61 disengages and re-engages the latch 36 below the operating pressure of the relief valve. At least one latch 36 and co-operating rib 24 may be employed and three are utilized in the described embodiment.
Patent GB-624614-A (GB)
Title: Improvements in or relating to brake shoes
IPC: F16D65/06
Filed: 1945-10-30
Abstract: 624,614. Casting composite brake blocks. SOC. LE CARBONE-LORRAINE. Oct. 30, 1945, No. 28719. Convention date, Nov. 6, 1944. [Class 83 (i)] [Also in Group XXXIV] A composite brake block, (see Group XXXIV), is formed by casting an iron mounting M around a carbon element P, the surfaces of the carbon element in contact with the iron being protected by a coating of metal such as copper. Specifications 278,913, [Class 103 (i)], and 495,702, [Group XXXIV], are referred to.
Patent GB-268249-A (GB)
Title: Improvements in or relating to trays or waiters
IPC: A47G23/06
Filed: 1926-11-15
Abstract: 268,249. Brõuner, W. Nov. 15, 1926. Trays and waiters. -A tray or waiter is provided with an aperture e for the fingers or the top of the thumb, in combination with a receptacle h, Fig. 2, adapted to hold knives, forks, spoons or the like. The receptacle may be subdivided by partitions i and is provided with feet k which may be of U- shape at their lower ends l to clamp to the edge of the aperture, or the receptacle' may fit over an upstanding flange around the edge of the aperture. The tray may have an arc-shaped portion c by which it may fit against the breast and a semi-circular portion d to fit over the arm of a person carrying the tray.
Patent GB-684394-A (GB)
Title: Improvements in or relating to reciprocating apparatus
IPC: F02G1/053
Filed: 1948-11-05
Abstract: 684,394. Engine driving-gear. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Nov. 5, 1948 [Nov. 8, 1947], No. 28811/48. Class 122(iii) [Also in Group XXVIII] In a reciprocating engine comprising one or more pistons 9, 10, 11, 12 whose stroke is determined by a member 4 mounted on an eccentric 3 on the engine shaft 1 and having contact surfaces 5, 6, 7, 8, co-operating with contact surfaces 13. 14, 15, 16 associated with the pistons, each two co-operating contact surfaces being parallel and rolling elements 17 being provided between them, said rolling elements are contained in a cage 18 having pins 19 engaging forks 26 on a connecting member 21 mounted on an eccentric 22 on the shaft 1 so that all cages containing the rolling elements are interconnected, a pin 29 on the connecting member 21 engaging a slot 30 in the eccentric member 4 to determine the travel of the cages.
Patent GB-1194682-A (GB)
Title: A Method of Obtaining Colloidal Solutions of Starches in the Cold
IPC: C08B31/00
Filed: 1967-06-22
Abstract: 1,194,682. Starch. SOC. DE PRODUITS CHIMIQUES D'AUBY. 22 June, 1967 [29 June, 1966], No. 28812/67. Heading C3U. Starch complexes soluble in cold water are made by heating an aqueous suspension of starch at a temperature below 100‹ C. in the presence of at least one high M.W. colloidal ester of a polysaccharide represented by the formula wherein n denotes a high polymerization number and M E  is Na, Ca, Mg or K, until the starch is dissolved, whereupon the resulting complex is recovered. In examples, cassava, maize and potato starches are treated with carragheen, optionally together with guar gum, and the reaction product is recovered by coagulation with a polar organic solvent, e.g. isopropanol or by spray- or drum-drying. Other colloids, coagulation solvents and recovery methods are disclosed.
Patent GB-633467-A (GB)
Title: Improvements relating to mechanical gas producers
IPC: C10J3/42
Filed: 1947-10-29
Abstract: 633,467. Automatic temperature-control systems. WEST, F. J., WEST, E., and WEST'S GAS IMPROVEMENT CO., Ltd. Oct. 29,1947, No. 28838. [Class 38 (iv)] A mechanical gas producer for use with solid fuel has a revolving spiral ash extraction grate as described in Specification 612,400, [Group XII], which is operated at a variable speed in order to control the rate of ash extraction for the purpose of maintaining a maximum temperature zone of constant position and magnitude. A thermocouple e responsive to the internal temperature of the gas producer operates a relay f in one direction or the other so as to operate relays i or j causing a motor o, provided with limit switch o<1>, to rotate in one direction or the other. The motor o operates a hydraulic gear valve p which controls the speed of the grate, the rate of ash extraction, and therefore the temperature of the gas producer. A motor s carrying a cam-plate t allows contacts v to close, thus putting the relay f, contacts g in circuit, only for short periods whilst a cut-out switch w determines the length of these periods. The motor o may be connected for manual operation by switches x and z.
Patent GB-819910-A (GB)
Title: Improvements relating to spades
IPC: A01B1/02
Filed: 1955-10-11
Abstract: 819,910. Spades. WILKINSON SWORD Ltd., and RANDOLPH, H. B. Jan, 11. 1957 [Oct. 11, 1955], No. 28879/55. Class 6(2). A metal spade blade has its main portion of light alloy and at least the lower edge of hardened metal to form a cutting edge. The main portion of the blade is formed by two pressings 10a, 10b, and an edge member 11a has two tangs 11b and a thinner portion 11c. The lower pressing 10b is recessed as in Fig. 3 (not shown) to accommodate the members 11b and 11c. A handle shaft 12, which may be of tubular steel, has a metal yoke 14 which holds a wooden handle 15 rivetted to it.
Patent GB-1283777-A (GB)
Title: Improvements in or relating to epicyclic gear trains
Inventor: HICKS RAYMOND JOHN
IPC: F16H1/28
Filed: 1969-06-06
Abstract: 1283777 Toothed gearing VICKERS Ltd 1 July 1970 [6 June 1969] 28888/69 Heading F2Q In epicyclic gearing comprising planet gears 3 floatingly mounted between a sun gear 2, on a driving shaft 1, and a toothed annulus 17, on a driven member 9, toothed reaction members 7 are provided, one each side of the toothed annulus 17, and the reaction members 7 are coupled by a balanced lever arrangement comprising flexible levers 19, 21. The levers 19 are centrally mounted on diametrically opposit pivots 18 secured to a casing 13, and are connected at their ends by pivots 20 to the levers 21 which have splined connections 24, 25 with the reaction members 7. In a modification, shown in Fig. 2, reaction members 7 are interconnected by a balanced lever arrangement comprising a shaft 28, a transverse arm 29, and resilient levers 30.
Patent GB-637168-A (GB)
Title: Improvements in and relating to the dewatering or drying of peat
IPC: C10F5/04
Filed: 1947-09-30
Abstract: 637,168. Presses for separating liquids from solids. KING, D. S. Sept. 30, 1947, No. 29140/46. [Class 46] [Also in Group XII] Apparatus for de-watering peat comprises an extruder 26 having a fish-tail delivery nozzle 30, such that the effective cross-sectional areas of the extruder barrel at its delivery end and the delivery nozzle are substantially the same, which delivers a ribbon of peat to a pair of horizontal. rollers 12 and 16, the upper of which has a roughened surface and may be steam-heated. The peat may then pass right over the roller 12 to be removed by a scraper 56 or it may be fed to an endless belt conveyer and subjected to infra-red heating. The extruder barrel has slits 46 which allow draining of water along the barrel and the rollers are preferably positioned so that the ribbon of peat is fed upwardly to the rollers.
Patent GB-1168745-A (GB)
Title: Calendar Timepiece.
IPC: G04B19/25
Filed: 1968-06-19
Abstract: 1,168,745. Calendar timepieces. DAINI SEIKOSHA K.K. June 19, 1968 [Aug. 14, 1967], No.29186/68. Heading G3T. A calendar timepiece includes a clutch for selectively coupling a rotary stem either to a hands-setting mechanism or to a date correcting mechanism. When the rotary stem 1, having a crown (not shown), is in an outer position the teeth 6a of a clutch wheel 6 secured to the stem 1 engage the teeth of a date ring 8, so that rotation of the stem 1 adjusts the date ring 8. In an innermost position of the stem 1 teeth 6b on the clutch wheel 6 engage the setting wheel 7, which may then be adjusted by rotation of the stem 1 to set the hands of the timepiece. In an intermediate position the clutch wheel 6 engages neither the date ring 8 or the setting wheel 7. The stem 1 is held in each of its three alternative positions by the engagement of a pin 2c, on a lever 2 coupled to the stem 1, in recesses 3a, 3b, or 3c, respectively, in a spring member 3.
Patent GB-1162276-A (GB)
Title: Production of Acrylonitrile Polymers by Photo-Polymerisation
IPC: C08F20/00
Filed: 1967-06-23
Abstract: 1,162,276. Photopolymerization of acrylonitrile. JAPAN EXLAN CO. Ltd. 23 June, 1967 [25 June, 1966], No. 29229/67. Heading C3P. An acrylonitrile polymer is produced by subjecting a solution of acrylonitrile alone or together with less than 50%, by weight of the total amount of monomers, of at least one other monomer in an aqueous thiocyanate salt to the action of light having a wavelength range of from 340 mÁ to 500 mÁ. A photosensitizer such as ditertiarybutyl peroxide, benzophenone, benzaldehyde, benzoin, #-naphthaldehyde or azobisisobutyronitrile and a chain transfer agent such as mercaptopropionic acid may be employed. Suitable thiocyanates are those of Na, K, Ca, Pb or Ba or ammonium thiocyanate. The aqueous medium may contain an alcoholic hydroxy group-containing liquid. In the examples, acrylonitrile is polymerized alone or together with styrene, vinyl acetate or N- methylol acrylamide in sodium thiocyanate solution containing in some cases benzaldehyde, azobisisobutyronitrile, a sodium pyrosulphite/ acetic acid mixture or mercaptoacetic acid. The acrylonitrile-methyl acrylate copolymer in Example 7 is produced by a continuous flow process.
Patent GB-1151892-A (GB)
Title: Improvements in Electrical Null Transmission Networks.
Inventor: BARNARD DAVID
IPC: G01V3/00
Filed: 1965-07-09
Abstract: 1,151,892. Locating conductors. MEC-TEST Ltd. Sept.20, 1966 [July 9, 1965], No.29317/65. Heading G1N. An inductive sensor for locating conductive material comprises primary and secondary windings each comprising pairs of coils, the X windings of each pair forming the search coil and the Y windings of each pair forming a "balance coil". The secondary windings C are connected in series opposition to a detector circuit Z and the primary windings in a transistor oscillator circuit. As shown there are two sets of primary windings A and B in the oscillator circuit.
Patent GB-1529984-A (GB)
Title: Fluorescing agents for dental porcelain
IPC: E06B3/50
Filed: 1976-07-14
Abstract: 1529984 Dental porcelain NATIONAL RESEARCH DEVELOPMENT CORP 13 Oct 1977 [14 July 1976] 29361/76 Heading C1J A dental porcelain composition includes as fluorescing agents 0À05-2 wt. per cent of CeO 2  and 0À1-0À5 wt. per cent of Tb 2 O 3 . Additionally one or more of the following oxides may be included: up to 0À1 wt. per cent Dy 2 O 3 ; up to 0À1 wt. per cent V 2 0 5 ; up to 0À2 wt. per cent Sm 2 O 3 ; and up to 0À2 wt. per cent Eu 2 O 3 .
Patent GB-752999-A (GB)
Title: Improvements in or relating to clamping members for hoop irons
IPC: B65D6/36
Filed: 1954-10-13
Abstract: 752,999. Seals for hoop irons. BORBE; E. Oct. 13, 1954 rOct. 13 1953], No. 29513/54. Class 146(2) The ends 2 of a seal 1 for hoop irons are pre-bent downwardly at 2a towards the strip 7 so that even after the deforming of the seal the edges do not protrude from the face of the strip. The ends may be plain as shown, serrated, formed with a number of rounded lobes, or curved, so that the surfaces of the end parts that face the strip 7 are concave. Lateral tongues 3 which enclose the strip may have rounded ends.
Patent GB-1419813-A (GB)
Title: Rotary fluidflow meter
IPC: G01P5/07
Filed: 1973-06-21
Abstract: 1419813 Rotary fluid-flow meters T G COOPER 21 June 1973 [22 June 1972] 29554/73 Heading F1F A rotary fluid-flow meter of the axial-flow type comprises a disc 1 with helical blades 4, and bands 5 having regularly spaced markings 6 on which light of a certain frequency can fall to produce a visible stroboscopic indication of the speed of the gas being measured. When used to monitor a gas stream intended to move with a certain speed v, the middle band markings will appear stationary for a gas speed v, the outer band markings appearing to rotate in opposite directions. If the speed v is deviated from, then the centre band markings appear to rotate. Maximum or minimum speeds will be indicated when the outer band marking cease to appear to rotate in opposite directions. The bands may be located on the outer surface of a cylindrical ring of the rotor Fig. 3 (not shown).
Patent GB-972241-A (GB)
Title: Improvements in and relating to the jointing of package and like binding straps
Inventor: MOSEY FREDERICK WILLIAM
IPC: B65D63/04
Filed: 1960-08-27
Abstract: 972,241. Metal band fastenings. SEALLESS STRAPPING Ltd. July 26, 1961 [Aug. 27, 1960], No. 29626/60. Heading B6P. The overlapping ends a, b of a metal strap used for binding packages and bales &c. have pairs of zig-zag incisions made in each of the ends to form endless tongues as shown. The mid section of each tongue is displaced perpendicularly to the plane of strap leaving laterally adjacent sides outside the incisions. The invention lies in the fact that the crowns of the tongue in the top end a, denoted by a1 and the crown of the tongue in the bottom end b, derated by b1, are offset by an amount derated by x when the ends are disposed as in Fig. 2A. On placing together of the overlapping ends and providing a longitudinal movement, the broad shoulder c1 of the bottom tongue slides under and locks against the narrow end portion el of the top tongue, as shown in Fig. 2B. The endless tongues can be made by individual pairs of dies operating simultaneously on both ends of the strap whilst these ends are in abutment. Four other embodiments are given, each having the zig-zag incision a slightly different shape from the other. In the first four embodiments, the top and bottom endless tongues are identical in plan, but in the fifth embodiment they differ in this respect, whilst the shouldered portions remain substantially the same width.
Patent GB-243179-A (GB)
Title: Improvements in and relating to dynamo electric machinery
IPC: H02K47/02
Filed: 1924-12-10
Abstract: 243,179. British Thomson-Houston Co., Ltd., and Whitaker, F. P. Dec. 10, 1924. Commutating windings. - The commutating poles of a rotary converter or motor converter not provided with a booster have additional windings connected up in such a way that the magnetization of the commutating poles is increased if the main field excitation is strengthened. In one arrangement, the additional winding opposes the series commutating- pole winding, and is connected as a shunt to the main field rheostat. Alternatively, the additional winding may assist the series winding, in which case it is connected in shunt to the main field winding and in series with the rheostat. In another arrangement, Fig. 3, the auxiliary commutating-pole winding 16 is connected at one end to the junction of the main field winding 14 and the rheostat 15, and the other end is connected to a neutral point of the system. At low values of the main field excitation, the auxiliary winding 16 opposes the series commutating-pole winding 13, and assists it at high values. Specification 9280/14 is referred to.
Patent GB-419560-A (GB)
Title: Improvements in and relating to processes for the refining of metals
IPC: C22B9/00
Filed: 1933-05-01
Abstract: Metals are degasefied by melting them in a vessel in which the atmosphere is rendered non-oxidizing and carbon is deposited in the vessel in advance of the melting of the metals, the atmosphere being maintained whilst the metals are in the molten condition so as to combine with oxygen released from the melt.  The atmosphere and the deposition of the carbon may be formed contemporaneously by the combustion within an air-tight vessel containing the metal of a liquid or other hydrocarbon.  The metals treated comprise iron, aluminium, copper, zinc, manganese, and lead.
Patent GB-1518723-A (GB)
Title: Apparatus for disinfection of hydrophilic contact lenses
IPC: G02C7/04
Filed: 1976-07-16
Abstract: 1518723 Disinfecting contact lenses BAUSCH & LOMB Inc 16 July 1976 [18 July 1975] 29768/76 Heading F4U In apparatus for disinfecting hydrophilic contact lenses, a carrying case (not shown) for the lenses is positioned within a compartment 17 formed substantially by a thermal storage member 16 which is heated to a predetermined temperature such as to maintain the lenses at a disinfecting temperature range for a sufficient time period to ensure disinfection. The apparatus comprises a housing 13 for the member 16, which member is of metal and electrically heated, and a hinged cover 18 for the housing includes metal heat absorption member 19. A recess 20 in the member 19 is adapted to co-operate with the compartment 17 to house the carrying case. A starter button on the cover has an extension 29 adapted to co-operate with a thermostat actuator for the heater via an aperture 30 and an indicator element visible through a lens 35 and window in the cover is shut off by an automatic thermostat when cooling of the member 16 is completed.
Patent GB-738396-A (GB)
Title: Improvements in or relating to combined pre-set and on-off remote control arrangements of the flexible cable type
Inventor: LOVATT NORMAN KENNETH
IPC: G05G1/00
Filed: 1952-11-25
Abstract: 738,396. Control lever mechanism. DIXON & CO., Ltd., R. G. Nov. 19, 1953 [Nov. 25, 1952], No. 29834/52. Class 136(1). A combined pre-set and on-off remote control comprises a lever 4 adapted to be urged in one direction for operating the remote control cable 3 against the action of a manually operable spring controlled stop 8a which tends to urge the lever into the " off " position and an adjustable stop 13b for controlling the " on " position of the lever 4 when the stop 8a has been operated out of the way by a handle 5 which is pivotally secured to a remote control box 2. A rod 7 is pivoted to the handle 5 and passes into the box 2 where it is secured to a strip 8 on which the stop 8a is mounted. The strip 8 is secured for limited movement by a bolt 9 passing through a slot 8b. A spring 16 is connected to the strip 8 and to a lever 13 which carries the stop 13b. The control cable 3 passes into the box 2 where it is secured to the bell-crank lever 4. The stop 13b is normally held in the extreme left position by the spring 16 and the stop 8a forces the lever 4 into the " off " position. When the lever 5 is operated the stop 8a is moved to the left and the lever 4 is permitted to rotate clockwise but is stopped by the stop 13b. The position of the stop 13b is adjusted by means of a handle 11 which turns a screw 10 and pushes a bolt 12 to the right to engage with the lever 13 and to push the stop 13b to the right. The range of movement of the handle 11 is limited by a bolt 17 which engages in a curved slot in the handle 11.
Patent GB-646211-A (GB)
Title: Improvements relating to the manufacture of screws, bolts and the like
IPC: B23P15/48
Filed: 1947-11-10
Abstract: 646,211. Making self-tapping screws. FAN DISC, Ltd., and BAEDEKER, A. E. Nov. 10, 1947, No. 29850. [Classes 83 (ii) and 83 (iv)] Forging-machines.-Apparatus for forming grooves in self-tapping screws comprises a press attachment with a die-block 6 in which are guided radial pressing tools 8 operated in opposition to springs 14 by a reciprocated head 16 carrying wedge fingers 17 engaging. inclined surfaces 19 on the tools. The screws are fed down a shoot 20 to a removable die cover plate with inlet and outlet slots arranged at an angle of 90 degrees. The grooved screws are ejected by a slide 23 operated by cam fingers 26 and a spring 24.
Patent GB-1144314-A (GB)
Title: Device for the cleaning of windows and the like
IPC: A47L1/06
Filed: 1965-07-14
Abstract: 1,144,314. Hand tool handles. L. A. MANN. 6 July, 1966 [14 July, 1965], No. 29921/65. Heading B4K. [Also in Division A4] In a device for cleaning windows or the like (see Division A4), a handle 10 is provided with a socket which receives a shaft 15 on a head portion 11, the shaft 15 being locked in position by a screw 15a. The handle may be telescopic or provided with a plurality of interengaging sections releasably held together by a spring catch, screw or pin coupling.
Patent GB-643890-A (GB)
Title: Improvements in or relating to tubes for heat exchangers
IPC: F28F1/14
Filed: 1947-11-11
Abstract: 643,890. Tubular heat-exchange elements. HUET, A. Nov. 11, 1947, No. 29970. Convention date, Nov. 22, 1946. [Class 64(iii)] [Also in Group XXII] A heat-exchanger tube made of bent metal strips welded together, and having approximately tangentially projecting, longitudinal fins lying in parallel planes, comprises two strips 6 each having between its longitudinal marginal regions 8, 10, constituting fin-forming portions, a portion constituting an arc of the tube wall, a marginal region of each strip having its longitudinal edge welded to another strip :and being shaped to form with that other strip a hollow fin which is wide at its root, two such fins being spaced around the tube 180 degrees apart. In the form shown in Fig. 2, the tube comprises also an intermediate strip 5 to which the edges of the outer strips 6 are welded along spaced parallel lines, or in a single line only. The strip 5 may carry fluid diffusing means, or be deformed to provide conical surfaces on opposite sides, as described in Specification 634,751. In another form of tube, Fig. 4, the intermediate strip is omitted, the extreme edges of the strips 6 being welded together at the tips of the fins. Protuberances 15 may be provided on one or each of the opposed portions 8, 10 of the strips 6, contacting the other of said portions, and they may be spotwelded thereto. Specification 628,416 also is referred to.
Patent GB-1112826-A (GB)
Title: Optically active cycloprpane compounds and processes for producing them
IPC: C07D311/94
Filed: 1966-05-18
Abstract: The invention comprises compounds of formula <FORM:1112826/C2/1> wherein X is -CH = CHOCOR(I), CO2H(II), CO2R(III) or CHO(IV), and R is C1- 4 alkyl. The compound where X is CH2CHO is reacted with Ac2O/NaOAc to give (I) (R = Me) which may be ozonized; the ozonide gives (II) by oxidative decomposition, and (IV) by reductive decomposition.  (II), which is also obtained by oxidation of (IV), may be esterified, e.g. with CH2N2 or Me2So4, to give (III) (R = Me).